Peptaibolin: synthesis, 3D-structure, and membrane modifying properties of the natural antibiotic and selected analogues
作者:Marco Crisma、Alessandra Barazza、Fernando Formaggio、Bernard Kaptein、Quirinus B Broxterman、Johan Kamphuis、Claudio Toniolo
DOI:10.1016/s0040-4020(01)00124-7
日期:2001.4
tetrapeptide antibiotic peptaibolin and selected analogues with replacements at the N- and C-terminal groups and the Cα-tetrasubstituted α-amino acids. The preferred conformation of all of the peptides was assessed in solution by using FT-IR absorption and 1H NMR techniques. Results of the X-ray diffraction analyses of peptaibolin itself and three analogues are also presented. Permeability measurements
我们通过溶液方法合成,并用在N-替换和C-末端基团以及C完全表征的天然存在的,四肽抗生素peptaibolin和选定的类似物的α -tetrasubstitutedα氨基酸。通过使用FT-IR吸收和1 H NMR技术在溶液中评估所有肽的优选构象。还提供了肽肽素本身和三种类似物的X射线衍射分析结果。这种多匝形成,非常短的肽的渗透性测量结果表明,肽环素没有膜活性,因为脂酰N端封闭基团是必不可少的。